#include <fstream>
#include <iostream>
using namespace std;

int main()
{
    char data[100];
    //以写模式打开文件
    ofstream outfile;
    outfile.open("afile.dat");
    cout << "Writing to the file" << endl;
    cout << "Enter your name:";
    cin.getline(data, 100);

    //向文件写入用户输入的数据
    outfile << data << endl;
    cout << "Enter your age:";
    cin >> data;
    cin.ignore();
    
    //再次向文件写入用户输入的数据
    outfile << data << endl;
    //关闭打开的文件
    outfile.close();
    //以读模式打开文件
    ifstream infile;
    infile.open("afile.dat");
    cout << "Reading from the file" << endl;
    infile >> data;
    //在屏幕上写入数据
    cout << data << endl;
    //再次从文件读取数据，并显示它
    infile >> data;
    cout << data << endl;
    //关闭打开的文件
    infile.close();

    return 0;

}
